XEnumerableRankByDescendingTSource, TKey, TResult Method

public static IEnumerable<TResult> RankByDescending<TSource, TKey, TResult>(
	this IEnumerable<TSource> source,
	Func<TSource, TKey> keySelector,
	Func<TSource, int, TResult> resultSelector,
	IComparer<TKey>? keyComparer = null
)

<ExtensionAttribute>
Public Shared Function RankByDescending(Of TSource, TKey, TResult) ( 
	source As IEnumerable(Of TSource),
	keySelector As Func(Of TSource, TKey),
	resultSelector As Func(Of TSource, Integer, TResult),
	Optional keyComparer As IComparer(Of TKey) = Nothing
) As IEnumerable(Of TResult)

[<ExtensionAttribute>]
static member RankByDescending : 
        source : IEnumerable<'TSource> * 
        keySelector : Func<'TSource, 'TKey> * 
        resultSelector : Func<'TSource, int, 'TResult> * 
        ?keyComparer : IComparer<'TKey> 
(* Defaults:
        let _keyComparer = defaultArg keyComparer null
*)
-> IEnumerable<'TResult>